Tianjin this autumn wheat planting technical advice
In recent years, the quality of land preparation in some wheat growing areas in Tianjin has declined, and the utilization rate of water and fertilizers has been relatively low. In addition, since September, the main wheat producing areas in Tianjin have experienced less rainfall and are unbalanced, and most of the wheat fields have experienced drought. Therefore, I would like to make the following observations on this autumn wheat: First, use high-yield, high-quality, and stress-resistant varieties. According to the performance of new wheat varieties introduced in the past two years in our city, some varieties show advantages, but the cold resistance of some new varieties still requires further tests of production. The main producing areas and counties in the selection of varieties, we must pay attention to the selection of winter and strong resistance, high yield and good precocious varieties. In view of the actual situation of wheat production in our city, we will continue to promote the use of Beijing 9428, Nongda 3214 and Tianjin Yin 159. For different production conditions, it is possible to test and demonstrate 987, Nongda 3432, and Nongda 189 varieties, and introduce 211 varieties of Nongda. At the same time, the production should pay attention to the selection of high-quality varieties that have been purified and rejuvenated. High-quality special new wheat varieties should pay attention to measures to prevent cold, and at the same time pay attention to the development of order agriculture and promote regional and industrial development. Second, intensive cultivation, improve the quality of soil preparation. In recent years, the quality of land preparation for wheat fields has declined, and shallow preparation has been the main method for soil preparation, which has made soil plow shallow and water retention and fertility reduction. Therefore, it is recommended that wheat should be grown twice in rotation this autumn, gradually deepening the plough layer, enhancing the ability of the soil to contain rain and sluice, reaching a depth of more than 15 cm, ensuring that the land is flat, without rubble, and straw being finely chopped. For wheat fields where sowing time is tight, no-tillage techniques can be promoted, and corn stalks can be used to cover the fields to prevent evaporation of soil moisture. Third, enough athlete's foot to improve the quality of sowing. From the current point of view, drought conditions have developed, soil moisture is not conducive to the sowing of wheat. Therefore, it is advisable to bring enough water to fill the bottom of the Qingjiang River, and 50 acres of irrigation water to achieve the purpose of timely sowing. According to different soil types and irrigation conditions, sandy loam can be harvested and sowed when the corn is harvested. The viscous heavy soil plots can be planted with cast-in-place water. Pay attention to the input of base fertilizer when sowing. The main producing areas and counties can formulate specific fertilization plans based on the target yield requirements, combined with the varieties and soil fertility levels. In areas where conditions permit, soil testing and formula fertilization should be carried out, and attention should be paid to the input of potash fertilizer. Under normal circumstances, the end of each acre high quality crude fertilizer 1-2 square, 20-22.5 kg of diammonium phosphate, urea 5 kg (urea urea 7.5 kg straw return field wheat), potassium sulfate 10-15 kg. With the arable land the fertilizer is applied below 10 cm in the plough layer. The ratio of N:P:K in the whole growth period was 1:0.6:0.3-0.4. Fourth, strictly control the sowing volume and improve the quality of the group. The large number of wheat sowing in the previous year caused the group to be large and later appeared to be lodging. This fall, according to the sowing date to determine a reasonable basic seedlings, the city appropriate sowing date from September 28 to October 8, generally grasping September 26-29 seeding acres of 16-18 million seedlings is appropriate. From October 1 to October 8th, 200,000 to 280,000 basic seedlings will be planted; from October 9 to October 15, 300,000 to 400,000 basic seedlings will be planted. Flat wheat uses 16.7 cm (5 inches) and other spaced apart drills, or wide and narrow rows. Grasp the next kind of uniform, consistent depth, 4cm-5cm depth is appropriate. After wheat sowing, it should be ground in time to suppress the surface soil when it is suitable. Before planting, attention should be paid to the following: First, the seed germination test should be carried out, and the germination rate should be 85-95%. If the germination rate is low, to increase the seeding rate, the seeding rate can be calculated as follows: Planned seedling number (strain) thousand grain weight Mu sowing volume (kg) =—————————————————— 10001000 Germination rate (%) Field emergence rate (%) The second is to dry the seeds for 1-2 days to increase the seed germination potential. The third is to do a good seed treatment, implement seed dressing and pesticide dressing, prevent and control the occurrence of underground pests, and ensure the whole seedlings. Traditional
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